Bigham, V. S., & Bigham, G. (1998). The Prentice Hall directory of online education resources. Prentice Hall.
芝加哥风格引文Bigham, Vicki Smith, 与 George Bigham. The Prentice Hall Directory of Online Education Resources. Paramus, N.J.: Prentice Hall, 1998.
MLA引文Bigham, Vicki Smith, 与 George Bigham. The Prentice Hall Directory of Online Education Resources. Prentice Hall, 1998.
警告：这些引文格式不一定是100％准确.